601660601 has 4 divisors (see below), whose sum is σ = 615652752. Its totient is φ = 587668452.

The previous prime is 601660573. The next prime is 601660607. The reversal of 601660601 is 106066106.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 601660601 - 2⁶ = 601660537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601660607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6996011 + ... + 6996096.

It is an arithmetic number, because the mean of its divisors is an integer number (153913188).

Almost surely, 2^601660601 is an apocalyptic number.

It is an amenable number.

601660601 is a deficient number, since it is larger than the sum of its proper divisors (13992151).

601660601 is a wasteful number, since it uses less digits than its factorization.

601660601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13992150.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 601660601 is about 24528.7708823740. The cubic root of 601660601 is about 844.2100625094.

It can be divided in two parts, 60 and 1660601, that added together give a palindrome (1660661).

The spelling of 601660601 in words is "six hundred one million, six hundred sixty thousand, six hundred one".